00531ca0 a2200205ua 4500001000500000005001700005007000300022008004100025020000900066040000900075041001400084082001300098100003900111245006000150260006300210300001900273504000900292541001500301650000900316231120180503180150.0ta061211s1938           g     b000 u eng u  cNULL  aMAIN1 aenghNULL14a381bMIT1 aMitchell, William Norman .eAuthor10aWonders of Modern Industry / cWilliam Norman Mitchell.  aChikago :bUniversity of Knowledge, Incorporated , c1938.  aNULL ; cNULL.  aNULL  eref161     0aComm